Question: What was the academic major of Donald Knuth and where was he educated at?
Paraphrase: What used to be the educational primary of Donald Knuth and where was once he educated at?
SPARQL (Wikidata): SELECT ?value1 ?obj WHERE { wd:Q17457 p:P69 ?s . ?s ps:P69 ?obj . ?s pq:P812 ?value1 . }